/*
 * ice4j, the OpenSource Java Solution for NAT and Firewall Traversal.
 *
 * Copyright @ 2015 Atlassian Pty Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.ice4j.message;

/**
 * An indication descendant of the message class.
 *
 * For example, indication messages is used by TURN protocol to send and receive
 * encapsulated data.
 *
 * @author Sebastien Vincent
 */
public class Indication extends Message {
	/**
	 * Constructor.
	 */
	Indication() {
	}

	/**
	 * Checks whether indicationType is a valid indication type and if yes sets
	 * it as the type of this instance.
	 *
	 * @param indicationType
	 *            the type to set
	 * @throws IllegalArgumentException
	 *             if indicationType is not a valid indication type
	 */
	@Override
	public void setMessageType(char indicationType) throws IllegalArgumentException {
		/*
		 * old TURN DATA indication type is an indication despite 0x0115 &
		 * 0x0110 indicates STUN error response type
		 */
		if (!isIndicationType(indicationType) && indicationType != OLD_DATA_INDICATION)
			throw new IllegalArgumentException((int) (indicationType) + " - is not a valid indication type.");

		super.setMessageType(indicationType);
	}
}
